1 /* 2 * ARM SMMUv3 support - Internal API 3 * 4 * Copyright (C) 2014-2016 Broadcom Corporation 5 * Copyright (c) 2017 Red Hat, Inc. 6 * Written by Prem Mallappa, Eric Auger 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef HW_ARM_SMMUV3_INTERNAL_H 22 #define HW_ARM_SMMUV3_INTERNAL_H 23 24 #include "hw/arm/smmu-common.h" 25 26 typedef enum SMMUTranslationStatus { 27 SMMU_TRANS_DISABLE, 28 SMMU_TRANS_ABORT, 29 SMMU_TRANS_BYPASS, 30 SMMU_TRANS_ERROR, 31 SMMU_TRANS_SUCCESS, 32 } SMMUTranslationStatus; 33 34 /* MMIO Registers */ 35 36 REG32(IDR0, 0x0) 37 FIELD(IDR0, S1P, 1 , 1) 38 FIELD(IDR0, TTF, 2 , 2) 39 FIELD(IDR0, COHACC, 4 , 1) 40 FIELD(IDR0, ASID16, 12, 1) 41 FIELD(IDR0, TTENDIAN, 21, 2) 42 FIELD(IDR0, STALL_MODEL, 24, 2) 43 FIELD(IDR0, TERM_MODEL, 26, 1) 44 FIELD(IDR0, STLEVEL, 27, 2) 45 46 REG32(IDR1, 0x4) 47 FIELD(IDR1, SIDSIZE, 0 , 6) 48 FIELD(IDR1, EVENTQS, 16, 5) 49 FIELD(IDR1, CMDQS, 21, 5) 50 51 #define SMMU_IDR1_SIDSIZE 16 52 #define SMMU_CMDQS 19 53 #define SMMU_EVENTQS 19 54 55 REG32(IDR2, 0x8) 56 REG32(IDR3, 0xc) 57 REG32(IDR4, 0x10) 58 REG32(IDR5, 0x14) 59 FIELD(IDR5, OAS, 0, 3); 60 FIELD(IDR5, GRAN4K, 4, 1); 61 FIELD(IDR5, GRAN16K, 5, 1); 62 FIELD(IDR5, GRAN64K, 6, 1); 63 64 #define SMMU_IDR5_OAS 4 65 66 REG32(IIDR, 0x1c) 67 REG32(CR0, 0x20) 68 FIELD(CR0, SMMU_ENABLE, 0, 1) 69 FIELD(CR0, EVENTQEN, 2, 1) 70 FIELD(CR0, CMDQEN, 3, 1) 71 72 #define SMMU_CR0_RESERVED 0xFFFFFC20 73 74 REG32(CR0ACK, 0x24) 75 REG32(CR1, 0x28) 76 REG32(CR2, 0x2c) 77 REG32(STATUSR, 0x40) 78 REG32(IRQ_CTRL, 0x50) 79 FIELD(IRQ_CTRL, GERROR_IRQEN, 0, 1) 80 FIELD(IRQ_CTRL, PRI_IRQEN, 1, 1) 81 FIELD(IRQ_CTRL, EVENTQ_IRQEN, 2, 1) 82 83 REG32(IRQ_CTRL_ACK, 0x54) 84 REG32(GERROR, 0x60) 85 FIELD(GERROR, CMDQ_ERR, 0, 1) 86 FIELD(GERROR, EVENTQ_ABT_ERR, 2, 1) 87 FIELD(GERROR, PRIQ_ABT_ERR, 3, 1) 88 FIELD(GERROR, MSI_CMDQ_ABT_ERR, 4, 1) 89 FIELD(GERROR, MSI_EVENTQ_ABT_ERR, 5, 1) 90 FIELD(GERROR, MSI_PRIQ_ABT_ERR, 6, 1) 91 FIELD(GERROR, MSI_GERROR_ABT_ERR, 7, 1) 92 FIELD(GERROR, MSI_SFM_ERR, 8, 1) 93 94 REG32(GERRORN, 0x64) 95 96 #define A_GERROR_IRQ_CFG0 0x68 /* 64b */ 97 REG32(GERROR_IRQ_CFG1, 0x70) 98 REG32(GERROR_IRQ_CFG2, 0x74) 99 100 #define A_STRTAB_BASE 0x80 /* 64b */ 101 102 #define SMMU_BASE_ADDR_MASK 0xffffffffffe0 103 104 REG32(STRTAB_BASE_CFG, 0x88) 105 FIELD(STRTAB_BASE_CFG, FMT, 16, 2) 106 FIELD(STRTAB_BASE_CFG, SPLIT, 6 , 5) 107 FIELD(STRTAB_BASE_CFG, LOG2SIZE, 0 , 6) 108 109 #define A_CMDQ_BASE 0x90 /* 64b */ 110 REG32(CMDQ_PROD, 0x98) 111 REG32(CMDQ_CONS, 0x9c) 112 FIELD(CMDQ_CONS, ERR, 24, 7) 113 114 #define A_EVENTQ_BASE 0xa0 /* 64b */ 115 REG32(EVENTQ_PROD, 0xa8) 116 REG32(EVENTQ_CONS, 0xac) 117 118 #define A_EVENTQ_IRQ_CFG0 0xb0 /* 64b */ 119 REG32(EVENTQ_IRQ_CFG1, 0xb8) 120 REG32(EVENTQ_IRQ_CFG2, 0xbc) 121 122 #define A_IDREGS 0xfd0 123 124 static inline int smmu_enabled(SMMUv3State *s) 125 { 126 return FIELD_EX32(s->cr[0], CR0, SMMU_ENABLE); 127 } 128 129 /* Command Queue Entry */ 130 typedef struct Cmd { 131 uint32_t word[4]; 132 } Cmd; 133 134 /* Event Queue Entry */ 135 typedef struct Evt { 136 uint32_t word[8]; 137 } Evt; 138 139 static inline uint32_t smmuv3_idreg(int regoffset) 140 { 141 /* 142 * Return the value of the Primecell/Corelink ID registers at the 143 * specified offset from the first ID register. 144 * These value indicate an ARM implementation of MMU600 p1 145 */ 146 static const uint8_t smmuv3_ids[] = { 147 0x04, 0, 0, 0, 0x84, 0xB4, 0xF0, 0x10, 0x0D, 0xF0, 0x05, 0xB1 148 }; 149 return smmuv3_ids[regoffset / 4]; 150 } 151 152 static inline bool smmuv3_eventq_irq_enabled(SMMUv3State *s) 153 { 154 return FIELD_EX32(s->irq_ctrl, IRQ_CTRL, EVENTQ_IRQEN); 155 } 156 157 static inline bool smmuv3_gerror_irq_enabled(SMMUv3State *s) 158 { 159 return FIELD_EX32(s->irq_ctrl, IRQ_CTRL, GERROR_IRQEN); 160 } 161 162 /* Queue Handling */ 163 164 #define Q_BASE(q) ((q)->base & SMMU_BASE_ADDR_MASK) 165 #define WRAP_MASK(q) (1 << (q)->log2size) 166 #define INDEX_MASK(q) (((1 << (q)->log2size)) - 1) 167 #define WRAP_INDEX_MASK(q) ((1 << ((q)->log2size + 1)) - 1) 168 169 #define Q_CONS(q) ((q)->cons & INDEX_MASK(q)) 170 #define Q_PROD(q) ((q)->prod & INDEX_MASK(q)) 171 172 #define Q_CONS_ENTRY(q) (Q_BASE(q) + (q)->entry_size * Q_CONS(q)) 173 #define Q_PROD_ENTRY(q) (Q_BASE(q) + (q)->entry_size * Q_PROD(q)) 174 175 #define Q_CONS_WRAP(q) (((q)->cons & WRAP_MASK(q)) >> (q)->log2size) 176 #define Q_PROD_WRAP(q) (((q)->prod & WRAP_MASK(q)) >> (q)->log2size) 177 178 static inline bool smmuv3_q_full(SMMUQueue *q) 179 { 180 return ((q->cons ^ q->prod) & WRAP_INDEX_MASK(q)) == WRAP_MASK(q); 181 } 182 183 static inline bool smmuv3_q_empty(SMMUQueue *q) 184 { 185 return (q->cons & WRAP_INDEX_MASK(q)) == (q->prod & WRAP_INDEX_MASK(q)); 186 } 187 188 static inline void queue_prod_incr(SMMUQueue *q) 189 { 190 q->prod = (q->prod + 1) & WRAP_INDEX_MASK(q); 191 } 192 193 static inline void queue_cons_incr(SMMUQueue *q) 194 { 195 /* 196 * We have to use deposit for the CONS registers to preserve 197 * the ERR field in the high bits. 198 */ 199 q->cons = deposit32(q->cons, 0, q->log2size + 1, q->cons + 1); 200 } 201 202 static inline bool smmuv3_cmdq_enabled(SMMUv3State *s) 203 { 204 return FIELD_EX32(s->cr[0], CR0, CMDQEN); 205 } 206 207 static inline bool smmuv3_eventq_enabled(SMMUv3State *s) 208 { 209 return FIELD_EX32(s->cr[0], CR0, EVENTQEN); 210 } 211 212 static inline void smmu_write_cmdq_err(SMMUv3State *s, uint32_t err_type) 213 { 214 s->cmdq.cons = FIELD_DP32(s->cmdq.cons, CMDQ_CONS, ERR, err_type); 215 } 216 217 /* Commands */ 218 219 typedef enum SMMUCommandType { 220 SMMU_CMD_NONE = 0x00, 221 SMMU_CMD_PREFETCH_CONFIG , 222 SMMU_CMD_PREFETCH_ADDR, 223 SMMU_CMD_CFGI_STE, 224 SMMU_CMD_CFGI_STE_RANGE, 225 SMMU_CMD_CFGI_CD, 226 SMMU_CMD_CFGI_CD_ALL, 227 SMMU_CMD_CFGI_ALL, 228 SMMU_CMD_TLBI_NH_ALL = 0x10, 229 SMMU_CMD_TLBI_NH_ASID, 230 SMMU_CMD_TLBI_NH_VA, 231 SMMU_CMD_TLBI_NH_VAA, 232 SMMU_CMD_TLBI_EL3_ALL = 0x18, 233 SMMU_CMD_TLBI_EL3_VA = 0x1a, 234 SMMU_CMD_TLBI_EL2_ALL = 0x20, 235 SMMU_CMD_TLBI_EL2_ASID, 236 SMMU_CMD_TLBI_EL2_VA, 237 SMMU_CMD_TLBI_EL2_VAA, 238 SMMU_CMD_TLBI_S12_VMALL = 0x28, 239 SMMU_CMD_TLBI_S2_IPA = 0x2a, 240 SMMU_CMD_TLBI_NSNH_ALL = 0x30, 241 SMMU_CMD_ATC_INV = 0x40, 242 SMMU_CMD_PRI_RESP, 243 SMMU_CMD_RESUME = 0x44, 244 SMMU_CMD_STALL_TERM, 245 SMMU_CMD_SYNC, 246 } SMMUCommandType; 247 248 static const char *cmd_stringify[] = { 249 [SMMU_CMD_PREFETCH_CONFIG] = "SMMU_CMD_PREFETCH_CONFIG", 250 [SMMU_CMD_PREFETCH_ADDR] = "SMMU_CMD_PREFETCH_ADDR", 251 [SMMU_CMD_CFGI_STE] = "SMMU_CMD_CFGI_STE", 252 [SMMU_CMD_CFGI_STE_RANGE] = "SMMU_CMD_CFGI_STE_RANGE", 253 [SMMU_CMD_CFGI_CD] = "SMMU_CMD_CFGI_CD", 254 [SMMU_CMD_CFGI_CD_ALL] = "SMMU_CMD_CFGI_CD_ALL", 255 [SMMU_CMD_CFGI_ALL] = "SMMU_CMD_CFGI_ALL", 256 [SMMU_CMD_TLBI_NH_ALL] = "SMMU_CMD_TLBI_NH_ALL", 257 [SMMU_CMD_TLBI_NH_ASID] = "SMMU_CMD_TLBI_NH_ASID", 258 [SMMU_CMD_TLBI_NH_VA] = "SMMU_CMD_TLBI_NH_VA", 259 [SMMU_CMD_TLBI_NH_VAA] = "SMMU_CMD_TLBI_NH_VAA", 260 [SMMU_CMD_TLBI_EL3_ALL] = "SMMU_CMD_TLBI_EL3_ALL", 261 [SMMU_CMD_TLBI_EL3_VA] = "SMMU_CMD_TLBI_EL3_VA", 262 [SMMU_CMD_TLBI_EL2_ALL] = "SMMU_CMD_TLBI_EL2_ALL", 263 [SMMU_CMD_TLBI_EL2_ASID] = "SMMU_CMD_TLBI_EL2_ASID", 264 [SMMU_CMD_TLBI_EL2_VA] = "SMMU_CMD_TLBI_EL2_VA", 265 [SMMU_CMD_TLBI_EL2_VAA] = "SMMU_CMD_TLBI_EL2_VAA", 266 [SMMU_CMD_TLBI_S12_VMALL] = "SMMU_CMD_TLBI_S12_VMALL", 267 [SMMU_CMD_TLBI_S2_IPA] = "SMMU_CMD_TLBI_S2_IPA", 268 [SMMU_CMD_TLBI_NSNH_ALL] = "SMMU_CMD_TLBI_NSNH_ALL", 269 [SMMU_CMD_ATC_INV] = "SMMU_CMD_ATC_INV", 270 [SMMU_CMD_PRI_RESP] = "SMMU_CMD_PRI_RESP", 271 [SMMU_CMD_RESUME] = "SMMU_CMD_RESUME", 272 [SMMU_CMD_STALL_TERM] = "SMMU_CMD_STALL_TERM", 273 [SMMU_CMD_SYNC] = "SMMU_CMD_SYNC", 274 }; 275 276 static inline const char *smmu_cmd_string(SMMUCommandType type) 277 { 278 if (type > SMMU_CMD_NONE && type < ARRAY_SIZE(cmd_stringify)) { 279 return cmd_stringify[type] ? cmd_stringify[type] : "UNKNOWN"; 280 } else { 281 return "INVALID"; 282 } 283 } 284 285 /* CMDQ fields */ 286 287 typedef enum { 288 SMMU_CERROR_NONE = 0, 289 SMMU_CERROR_ILL, 290 SMMU_CERROR_ABT, 291 SMMU_CERROR_ATC_INV_SYNC, 292 } SMMUCmdError; 293 294 enum { /* Command completion notification */ 295 CMD_SYNC_SIG_NONE, 296 CMD_SYNC_SIG_IRQ, 297 CMD_SYNC_SIG_SEV, 298 }; 299 300 #define CMD_TYPE(x) extract32((x)->word[0], 0 , 8) 301 #define CMD_SSEC(x) extract32((x)->word[0], 10, 1) 302 #define CMD_SSV(x) extract32((x)->word[0], 11, 1) 303 #define CMD_RESUME_AC(x) extract32((x)->word[0], 12, 1) 304 #define CMD_RESUME_AB(x) extract32((x)->word[0], 13, 1) 305 #define CMD_SYNC_CS(x) extract32((x)->word[0], 12, 2) 306 #define CMD_SSID(x) extract32((x)->word[0], 12, 20) 307 #define CMD_SID(x) ((x)->word[1]) 308 #define CMD_VMID(x) extract32((x)->word[1], 0 , 16) 309 #define CMD_ASID(x) extract32((x)->word[1], 16, 16) 310 #define CMD_RESUME_STAG(x) extract32((x)->word[2], 0 , 16) 311 #define CMD_RESP(x) extract32((x)->word[2], 11, 2) 312 #define CMD_LEAF(x) extract32((x)->word[2], 0 , 1) 313 #define CMD_STE_RANGE(x) extract32((x)->word[2], 0 , 5) 314 #define CMD_ADDR(x) ({ \ 315 uint64_t high = (uint64_t)(x)->word[3]; \ 316 uint64_t low = extract32((x)->word[2], 12, 20); \ 317 uint64_t addr = high << 32 | (low << 12); \ 318 addr; \ 319 }) 320 321 #define SMMU_FEATURE_2LVL_STE (1 << 0) 322 323 /* Events */ 324 325 typedef enum SMMUEventType { 326 SMMU_EVT_NONE = 0x00, 327 SMMU_EVT_F_UUT , 328 SMMU_EVT_C_BAD_STREAMID , 329 SMMU_EVT_F_STE_FETCH , 330 SMMU_EVT_C_BAD_STE , 331 SMMU_EVT_F_BAD_ATS_TREQ , 332 SMMU_EVT_F_STREAM_DISABLED , 333 SMMU_EVT_F_TRANS_FORBIDDEN , 334 SMMU_EVT_C_BAD_SUBSTREAMID , 335 SMMU_EVT_F_CD_FETCH , 336 SMMU_EVT_C_BAD_CD , 337 SMMU_EVT_F_WALK_EABT , 338 SMMU_EVT_F_TRANSLATION = 0x10, 339 SMMU_EVT_F_ADDR_SIZE , 340 SMMU_EVT_F_ACCESS , 341 SMMU_EVT_F_PERMISSION , 342 SMMU_EVT_F_TLB_CONFLICT = 0x20, 343 SMMU_EVT_F_CFG_CONFLICT , 344 SMMU_EVT_E_PAGE_REQ = 0x24, 345 } SMMUEventType; 346 347 static const char *event_stringify[] = { 348 [SMMU_EVT_NONE] = "no recorded event", 349 [SMMU_EVT_F_UUT] = "SMMU_EVT_F_UUT", 350 [SMMU_EVT_C_BAD_STREAMID] = "SMMU_EVT_C_BAD_STREAMID", 351 [SMMU_EVT_F_STE_FETCH] = "SMMU_EVT_F_STE_FETCH", 352 [SMMU_EVT_C_BAD_STE] = "SMMU_EVT_C_BAD_STE", 353 [SMMU_EVT_F_BAD_ATS_TREQ] = "SMMU_EVT_F_BAD_ATS_TREQ", 354 [SMMU_EVT_F_STREAM_DISABLED] = "SMMU_EVT_F_STREAM_DISABLED", 355 [SMMU_EVT_F_TRANS_FORBIDDEN] = "SMMU_EVT_F_TRANS_FORBIDDEN", 356 [SMMU_EVT_C_BAD_SUBSTREAMID] = "SMMU_EVT_C_BAD_SUBSTREAMID", 357 [SMMU_EVT_F_CD_FETCH] = "SMMU_EVT_F_CD_FETCH", 358 [SMMU_EVT_C_BAD_CD] = "SMMU_EVT_C_BAD_CD", 359 [SMMU_EVT_F_WALK_EABT] = "SMMU_EVT_F_WALK_EABT", 360 [SMMU_EVT_F_TRANSLATION] = "SMMU_EVT_F_TRANSLATION", 361 [SMMU_EVT_F_ADDR_SIZE] = "SMMU_EVT_F_ADDR_SIZE", 362 [SMMU_EVT_F_ACCESS] = "SMMU_EVT_F_ACCESS", 363 [SMMU_EVT_F_PERMISSION] = "SMMU_EVT_F_PERMISSION", 364 [SMMU_EVT_F_TLB_CONFLICT] = "SMMU_EVT_F_TLB_CONFLICT", 365 [SMMU_EVT_F_CFG_CONFLICT] = "SMMU_EVT_F_CFG_CONFLICT", 366 [SMMU_EVT_E_PAGE_REQ] = "SMMU_EVT_E_PAGE_REQ", 367 }; 368 369 static inline const char *smmu_event_string(SMMUEventType type) 370 { 371 if (type < ARRAY_SIZE(event_stringify)) { 372 return event_stringify[type] ? event_stringify[type] : "UNKNOWN"; 373 } else { 374 return "INVALID"; 375 } 376 } 377 378 /* Encode an event record */ 379 typedef struct SMMUEventInfo { 380 SMMUEventType type; 381 uint32_t sid; 382 bool recorded; 383 bool record_trans_faults; 384 bool inval_ste_allowed; 385 union { 386 struct { 387 uint32_t ssid; 388 bool ssv; 389 dma_addr_t addr; 390 bool rnw; 391 bool pnu; 392 bool ind; 393 } f_uut; 394 struct SSIDInfo { 395 uint32_t ssid; 396 bool ssv; 397 } c_bad_streamid; 398 struct SSIDAddrInfo { 399 uint32_t ssid; 400 bool ssv; 401 dma_addr_t addr; 402 } f_ste_fetch; 403 struct SSIDInfo c_bad_ste; 404 struct { 405 dma_addr_t addr; 406 bool rnw; 407 } f_transl_forbidden; 408 struct { 409 uint32_t ssid; 410 } c_bad_substream; 411 struct SSIDAddrInfo f_cd_fetch; 412 struct SSIDInfo c_bad_cd; 413 struct FullInfo { 414 bool stall; 415 uint16_t stag; 416 uint32_t ssid; 417 bool ssv; 418 bool s2; 419 dma_addr_t addr; 420 bool rnw; 421 bool pnu; 422 bool ind; 423 uint8_t class; 424 dma_addr_t addr2; 425 } f_walk_eabt; 426 struct FullInfo f_translation; 427 struct FullInfo f_addr_size; 428 struct FullInfo f_access; 429 struct FullInfo f_permission; 430 struct SSIDInfo f_cfg_conflict; 431 /** 432 * not supported yet: 433 * F_BAD_ATS_TREQ 434 * F_BAD_ATS_TREQ 435 * F_TLB_CONFLICT 436 * E_PAGE_REQUEST 437 * IMPDEF_EVENTn 438 */ 439 } u; 440 } SMMUEventInfo; 441 442 /* EVTQ fields */ 443 444 #define EVT_Q_OVERFLOW (1 << 31) 445 446 #define EVT_SET_TYPE(x, v) ((x)->word[0] = deposit32((x)->word[0], 0 , 8 , v)) 447 #define EVT_SET_SSV(x, v) ((x)->word[0] = deposit32((x)->word[0], 11, 1 , v)) 448 #define EVT_SET_SSID(x, v) ((x)->word[0] = deposit32((x)->word[0], 12, 20, v)) 449 #define EVT_SET_SID(x, v) ((x)->word[1] = v) 450 #define EVT_SET_STAG(x, v) ((x)->word[2] = deposit32((x)->word[2], 0 , 16, v)) 451 #define EVT_SET_STALL(x, v) ((x)->word[2] = deposit32((x)->word[2], 31, 1 , v)) 452 #define EVT_SET_PNU(x, v) ((x)->word[3] = deposit32((x)->word[3], 1 , 1 , v)) 453 #define EVT_SET_IND(x, v) ((x)->word[3] = deposit32((x)->word[3], 2 , 1 , v)) 454 #define EVT_SET_RNW(x, v) ((x)->word[3] = deposit32((x)->word[3], 3 , 1 , v)) 455 #define EVT_SET_S2(x, v) ((x)->word[3] = deposit32((x)->word[3], 7 , 1 , v)) 456 #define EVT_SET_CLASS(x, v) ((x)->word[3] = deposit32((x)->word[3], 8 , 2 , v)) 457 #define EVT_SET_ADDR(x, addr) \ 458 do { \ 459 (x)->word[5] = (uint32_t)(addr >> 32); \ 460 (x)->word[4] = (uint32_t)(addr & 0xffffffff); \ 461 } while (0) 462 #define EVT_SET_ADDR2(x, addr) \ 463 do { \ 464 (x)->word[7] = deposit32((x)->word[7], 3, 29, addr >> 16); \ 465 (x)->word[7] = deposit32((x)->word[7], 0, 16, addr & 0xffff);\ 466 } while (0) 467 468 void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *event); 469 470 /* Configuration Data */ 471 472 /* STE Level 1 Descriptor */ 473 typedef struct STEDesc { 474 uint32_t word[2]; 475 } STEDesc; 476 477 /* CD Level 1 Descriptor */ 478 typedef struct CDDesc { 479 uint32_t word[2]; 480 } CDDesc; 481 482 /* Stream Table Entry(STE) */ 483 typedef struct STE { 484 uint32_t word[16]; 485 } STE; 486 487 /* Context Descriptor(CD) */ 488 typedef struct CD { 489 uint32_t word[16]; 490 } CD; 491 492 /* STE fields */ 493 494 #define STE_VALID(x) extract32((x)->word[0], 0, 1) 495 496 #define STE_CONFIG(x) extract32((x)->word[0], 1, 3) 497 #define STE_CFG_S1_ENABLED(config) (config & 0x1) 498 #define STE_CFG_S2_ENABLED(config) (config & 0x2) 499 #define STE_CFG_ABORT(config) (!(config & 0x4)) 500 #define STE_CFG_BYPASS(config) (config == 0x4) 501 502 #define STE_S1FMT(x) extract32((x)->word[0], 4 , 2) 503 #define STE_S1CDMAX(x) extract32((x)->word[1], 27, 5) 504 #define STE_S1STALLD(x) extract32((x)->word[2], 27, 1) 505 #define STE_EATS(x) extract32((x)->word[2], 28, 2) 506 #define STE_STRW(x) extract32((x)->word[2], 30, 2) 507 #define STE_S2VMID(x) extract32((x)->word[4], 0 , 16) 508 #define STE_S2T0SZ(x) extract32((x)->word[5], 0 , 6) 509 #define STE_S2SL0(x) extract32((x)->word[5], 6 , 2) 510 #define STE_S2TG(x) extract32((x)->word[5], 14, 2) 511 #define STE_S2PS(x) extract32((x)->word[5], 16, 3) 512 #define STE_S2AA64(x) extract32((x)->word[5], 19, 1) 513 #define STE_S2HD(x) extract32((x)->word[5], 24, 1) 514 #define STE_S2HA(x) extract32((x)->word[5], 25, 1) 515 #define STE_S2S(x) extract32((x)->word[5], 26, 1) 516 #define STE_CTXPTR(x) \ 517 ({ \ 518 unsigned long addr; \ 519 addr = (uint64_t)extract32((x)->word[1], 0, 16) << 32; \ 520 addr |= (uint64_t)((x)->word[0] & 0xffffffc0); \ 521 addr; \ 522 }) 523 524 #define STE_S2TTB(x) \ 525 ({ \ 526 unsigned long addr; \ 527 addr = (uint64_t)extract32((x)->word[7], 0, 16) << 32; \ 528 addr |= (uint64_t)((x)->word[6] & 0xfffffff0); \ 529 addr; \ 530 }) 531 532 static inline int oas2bits(int oas_field) 533 { 534 switch (oas_field) { 535 case 0: 536 return 32; 537 case 1: 538 return 36; 539 case 2: 540 return 40; 541 case 3: 542 return 42; 543 case 4: 544 return 44; 545 case 5: 546 return 48; 547 } 548 return -1; 549 } 550 551 static inline int pa_range(STE *ste) 552 { 553 int oas_field = MIN(STE_S2PS(ste), SMMU_IDR5_OAS); 554 555 if (!STE_S2AA64(ste)) { 556 return 40; 557 } 558 559 return oas2bits(oas_field); 560 } 561 562 #define MAX_PA(ste) ((1 << pa_range(ste)) - 1) 563 564 /* CD fields */ 565 566 #define CD_VALID(x) extract32((x)->word[0], 30, 1) 567 #define CD_ASID(x) extract32((x)->word[1], 16, 16) 568 #define CD_TTB(x, sel) \ 569 ({ \ 570 uint64_t hi, lo; \ 571 hi = extract32((x)->word[(sel) * 2 + 3], 0, 19); \ 572 hi <<= 32; \ 573 lo = (x)->word[(sel) * 2 + 2] & ~0xfULL; \ 574 hi | lo; \ 575 }) 576 577 #define CD_TSZ(x, sel) extract32((x)->word[0], (16 * (sel)) + 0, 6) 578 #define CD_TG(x, sel) extract32((x)->word[0], (16 * (sel)) + 6, 2) 579 #define CD_EPD(x, sel) extract32((x)->word[0], (16 * (sel)) + 14, 1) 580 #define CD_ENDI(x) extract32((x)->word[0], 15, 1) 581 #define CD_IPS(x) extract32((x)->word[1], 0 , 3) 582 #define CD_TBI(x) extract32((x)->word[1], 6 , 2) 583 #define CD_HD(x) extract32((x)->word[1], 10 , 1) 584 #define CD_HA(x) extract32((x)->word[1], 11 , 1) 585 #define CD_S(x) extract32((x)->word[1], 12, 1) 586 #define CD_R(x) extract32((x)->word[1], 13, 1) 587 #define CD_A(x) extract32((x)->word[1], 14, 1) 588 #define CD_AARCH64(x) extract32((x)->word[1], 9 , 1) 589 590 #define CDM_VALID(x) ((x)->word[0] & 0x1) 591 592 static inline int is_cd_valid(SMMUv3State *s, STE *ste, CD *cd) 593 { 594 return CD_VALID(cd); 595 } 596 597 /** 598 * tg2granule - Decodes the CD translation granule size field according 599 * to the ttbr in use 600 * @bits: TG0/1 fields 601 * @ttbr: ttbr index in use 602 */ 603 static inline int tg2granule(int bits, int ttbr) 604 { 605 switch (bits) { 606 case 0: 607 return ttbr ? 0 : 12; 608 case 1: 609 return ttbr ? 14 : 16; 610 case 2: 611 return ttbr ? 12 : 14; 612 case 3: 613 return ttbr ? 16 : 0; 614 default: 615 return 0; 616 } 617 } 618 619 static inline uint64_t l1std_l2ptr(STEDesc *desc) 620 { 621 uint64_t hi, lo; 622 623 hi = desc->word[1]; 624 lo = desc->word[0] & ~0x1fULL; 625 return hi << 32 | lo; 626 } 627 628 #define L1STD_SPAN(stm) (extract32((stm)->word[0], 0, 4)) 629 630 #endif 631